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Finding the Fourth Proportional to 103,269.20, 154,900.60 and 29,397.20

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Solution

The fourth proportional to 103,269.20, 154,900.60 and 29,397.20 is: 44,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,269.20 : 154,900.60 = 29,397.20 : x
  2. Step 2: Convert to fraction form
    103,269.20/154,900.60 = 29,397.20/x
  3. Step 3: Cross multiply
    103,269.20x = 154,900.60 × 29,397.20
  4. Step 4: Simplify right side
    103,269.20x = 4,553,643,918.32
  5. Step 5: Solve for x
    x = 4,553,643,918.32/103,269.20
  6. Step 6: Final answer
    x = 44,094.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.